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Benefits of header-only libraries
...tages of a header-only library:
Bigger object files. Every inline method from the library that is used in some source file will also get a weak symbol, out-of-line definition in the compiled object file for that source file. This slows down the compiler and also slows down the linker. The compiler...
How do I create an empty array/matrix in NumPy?
...
A NumPy array is a very different data structure from a list and is designed to be used in different ways. Your use of hstack is potentially very inefficient... every time you call it, all the data in the existing array is copied into a new one. (The append function will h...
(Built-in) way in JavaScript to check if a string is a valid number
...'12px' to 12, for example:
parseInt(num) // extracts a numeric value from the
// start of the string, or NaN.
Examples
parseInt('12') // 12
parseInt('aaa') // NaN
parseInt('12px') // 12
parseInt('foo2') // NaN These last two may be different
parseInt('12a...
How can I print a circular structure in a JSON-like format?
...uilt-in (no installation is required), you must import it
import * as util from 'util' // has no default export
import { inspect } from 'util' // or directly
// or
var util = require('util')
To use it, simply call
console.log(util.inspect(myObject))
Also be aware that you can pass options object...
Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
...pe of attack and they have numerous protections that will keep the penises from penetrating the reCAPTCHA barrier.
Optimizing reCAPTCHA
As appealing as the notion of sprinkling the word ‘penis’ into texts, the Anonymous team knew that the clock was ticking, and if they were going to re...
How to get client's IP address using JavaScript?
...e of the returned data includes GeoLite data created by MaxMind, available from <a href=\\'http://www.maxmind.com\\'>http://www.maxmind.com</a>.",
"geoplugin_city": "Singapore",
"geoplugin_region": "Singapore (general)",
"geoplugin_areaCode": "0",
"geoplugin_dmaCode": "0",
"geo...
What is the advantage of using forwarding references in range-based for loops?
...This doesn't compile because rvalue vector<bool>::reference returned from the iterator won't bind to a non-const lvalue reference. But this will work:
#include <vector>
int main()
{
std::vector<bool> v(10);
for (auto&& e : v)
e = true;
}
All that being ...
Are PHP short tags acceptable to use?
...to know that ASP tags <% , %> , <%= , and script tag are removed from PHP 7. So if you would like to support long-term portable code and would like switching to the most modern tools consider changing that parts of code.
...
How do I clear stuck/stale Resque workers?
As you can see from the attached image, I've got a couple of workers that seem to be stuck. Those processes shouldn't take longer than a couple of seconds.
...
Reading in a JSON File Using Swift
...Decoder()
let jsonData = try decoder.decode(ResponseData.self, from: data)
return jsonData.person
} catch {
print("error:\(error)")
}
}
return nil
}
Swift 3
func loadJson(filename fileName: String) -> [String: AnyObject]? {
if let...